| San Marcos Time | HDT | |
|---|---|---|
| 05:00 AM Thursday San Marcos Time (CST) | ↔ | 02:00 AM Thursday HDT |
| 06:00 AM Thursday San Marcos Time (CST) | ↔ | 03:00 AM Thursday HDT |
| 07:00 AM Thursday San Marcos Time (CST) | ↔ | 04:00 AM Thursday HDT |
| 08:00 AM Thursday San Marcos Time (CST) | ↔ | 05:00 AM Thursday HDT |
| 09:00 AM Thursday San Marcos Time (CST) | ↔ | 06:00 AM Thursday HDT |